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Experimental Method on Sludge Bulking and the Control Measurements
Author(s): 
Pages: 156-158
Year: Issue:  10
Journal: JOURNAL OF CHONGQING UNIVERSITY(NATURAL SCIENCE EDITION)

Keyword:  人工配水污泥膨胀丝状菌无水Na2CO3土壤上清液;
Abstract: 在室温较低的情况(8~13 ℃)下,实验室试验中以人工配水为污水水源,采用连续进水间歇出水的SBR工艺时发生了丝状菌性污泥膨胀.经试验验证,发生膨胀的原因可能是pH值过低和痕量金属元素的缺乏所致.采用加入无水Na2CO3调节人工配水的碱度和加入一定量的土壤上清液以补充痕量金属元素的方法,污泥的沉降性能得到了快速恢复.结果表明:该方法可用于解决以人工配水为污水水源的实验室中的污泥膨胀问题,结合实际的污水处理情况,该控制技术也有一定的参考价值.
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